<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */
/**
 * Smarty truncate modifier plugin
 *
 * Type:     modifier<br>
 * Name:     truncate<br>
 * Purpose:  Truncate a string to a certain length if necessary,
 * optionally splitting in the middle of a word, and
 * appending the $etc string or inserting $etc into the middle.
 * @link http://smarty.php.net/manual/en/language.modifier.truncate.php
 * truncate (Smarty online manual)
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @param string
 * @param integer
 * @param string
 * @param boolean
 * @param boolean
 * @return string
 */
function smarty_modifier_truncate ($string, $length = 80, $etc = '...', 
$break_words = false, $middle = false)
{
    if ($length == 0)
        return '';
    if (strlen($string) > $length) {
        $length -= min($length, strlen($etc));
        if (! $break_words && ! $middle) {
            $string = preg_replace('/\s+?(\S+)?$/', '', 
            substr($string, 0, $length + 1));
        }
        if (! $middle) {
            return substr($string, 0, $length) . $etc;
        } else {
            return substr($string, 0, $length / 2) . $etc .
             substr($string, - $length / 2);
        }
    } else {
        return $string;
    }
}
/* vim: set expandtab: */
?>
